Issue Date: November 22, 1995
Revision Date: September 11, 1998
Xerxes Corp.
Xerxes Trucheck Hydrostatic Monitoring System
Interstitial Tank Tightness Test Method
| Certification | Leak rate of 0.1 gph with PD = 99% and PFA = 1%. |
|---|---|
| Leak Threshold | 0.05 gph. A tank system should not be declared tight if the test result indicates a loss or gain that equals or exceeds this threshold. |
| Applicability | Gasoline, diesel, aviation fuel, fuel oil #4. |
| Tank Capacity | Maximum of 30,000 gallons. Tank must be between 0 to 100% full. |
| Waiting Time | None between delivery and testing. |
| Test Period | Minimum of 10 hours. |
| Groundwater | Depth to groundwater in tank excavation backfill must be determined before and after test. When groundwater level is above bottom of tank but below top, test should be repeated if groundwater level increases by more than 7 inches during test. When groundwater level is above tank, test should be repeated if groundwater level increases by more than 5 inches during test. |
- Xerxes Corp.
7901 Xerxes Ave.
Minneapolis, MN 55431
Tel: (952) 887-1890 - Evaluator: Robert Plunkett, Ph.D.
Tel: (612) 338-0945
Date of Evaluation: 01/07/93
Home | Vendors: A–F | Vendors: G–M | Vendors: N–S | Vendors: T–Z | Method Index
Appearance on this list is not to be construed as an endorsement by any regulatory agency nor is it any guarantee of the performance of the method or equipment. Equipment should be installed and operated in accordance with all applicable laws and regulations. For full details, please refer to our expanded DISCLAIMER page.
